<template>
  <el-container>
    <el-aside width="200px">
      <el-menu :default-openeds="['1', '3']">
        <el-submenu index="1">
          <template slot="title">
            <i class="el-icon-message"></i>导航一
          </template>
          <el-menu-item-group>
            <template slot="title">分组一</template>
            <el-menu-item index="1-1">选项1</el-menu-item>
            <el-menu-item index="1-2">选项2</el-menu-item>
          </el-menu-item-group>
          <el-menu-item-group title="分组2">
            <el-menu-item index="1-3">选项3</el-menu-item>
          </el-menu-item-group>
          <el-submenu index="1-4">
            <template slot="title">选项4</template>
            <el-menu-item index="1-4-1">选项4-1</el-menu-item>
          </el-submenu>
        </el-submenu>
        <el-submenu index="2">
          <template slot="title">
            <i class="el-icon-menu"></i>导航二
          </template>
          <el-menu-item-group>
            <template slot="title">分组一</template>
            <el-menu-item index="2-1">选项1</el-menu-item>
            <el-menu-item index="2-2">选项2</el-menu-item>
          </el-menu-item-group>
          <el-menu-item-group title="分组2">
            <el-menu-item index="2-3">选项3</el-menu-item>
          </el-menu-item-group>
          <el-submenu index="2-4">
            <template slot="title">选项4</template>
            <el-menu-item index="2-4-1">选项4-1</el-menu-item>
          </el-submenu>
        </el-submenu>
        <el-submenu index="3">
          <template slot="title">
            <i class="el-icon-setting"></i>导航三
          </template>
          <el-menu-item-group>
            <template slot="title">分组一</template>
            <el-menu-item index="3-1">选项1</el-menu-item>
            <el-menu-item index="3-2">选项2</el-menu-item>
          </el-menu-item-group>
          <el-menu-item-group title="分组2">
            <el-menu-item index="3-3">选项3</el-menu-item>
          </el-menu-item-group>
          <el-submenu index="3-4">
            <template slot="title">选项4</template>
            <el-menu-item index="3-4-1">选项4-1</el-menu-item>
          </el-submenu>
        </el-submenu>
      </el-menu>
    </el-aside>
    <el-main>
      <keep-alive>
        <router-view></router-view>
      </keep-alive>
    </el-main>
  </el-container>
</template>

<script>
export default {};
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style lang="scss" scoped>
.el-container {
  height: 100%;
  .el-header {
    padding-left: 0px;
    background-color: #fff;
    color: #333;
    line-height: 60px;
    display: flex;
    .logo {
      width: 200px;
      background: red;
    }
    .el-menu {
      flex: 1;
    }
    .tools {
      text-align: center;
      background: red;
    }
  }
  .el-aside {
    background-color: #d3dce6;
    color: #333;
    line-height: 200px;
  }
  .el-main {
    padding: 0px;
    background-color: #e9eef3;
    color: #333;
  }
}
</style>
